From ef0e24f128732243c64d8b7278d1a13f2a31c9b0 Mon Sep 17 00:00:00 2001
From: Patryk Hegenberg <patrykhegenberg@gmail.com>
Date: Wed, 25 Dec 2024 07:37:30 +0100
Subject: [PATCH] feat(config)!: add dependency check

---
 go.mod  |   3 ++
 main.go | 132 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 135 insertions(+)
 create mode 100644 go.mod
 create mode 100644 main.go

diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..eb5e5b7
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module tmux_popup
+
+go 1.23.4
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..db5de12
--- /dev/null
+++ b/main.go
@@ -0,0 +1,132 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"log/slog"
+	"os"
+	"os/exec"
+	"strings"
+)
+
+func main() {
+
+	if len(os.Args) < 2 {
+		fmt.Println("Bitte geben Sie eine Aktion an: tmux, lazygit, harlequin, postings")
+		return
+	}
+
+	action := os.Args[1]
+	width := "80%"
+	height := "80%"
+
+	if len(os.Args) > 2 {
+		width = os.Args[2]
+		height = os.Args[2]
+	}
+
+	switch action {
+	case "tmux":
+		openPopup("popup", "", width, height)
+	case "lazygit":
+		openPopup("lazygit", "lazygit", width, height)
+	case "harlequin":
+		openPopup("harlequin", "harlequin", width, height)
+	case "postings":
+		openPopup("postings", "posting", width, height)
+	default:
+		CheckDependencies()
+		fmt.Println("Unbekannte Aktion")
+	}
+}
+
+func openPopup(sessionName, command string, width, height string) {
+	currentSession, err := exec.Command("tmux", "display-message", "-p", "-F", "#{session_name}").Output()
+	if err != nil {
+		fmt.Println("Fehler beim Abrufen der aktuellen Session:", err)
+		return
+	}
+
+	if strings.TrimSpace(string(currentSession)) == sessionName {
+		exec.Command("tmux", "detach-client").Run()
+	} else {
+		args := []string{"popup", "-d", "#{pane_current_path}", "-xC", "-yC", fmt.Sprintf("-w%s", width), fmt.Sprintf("-h%s", height), "-E"}
+		if command == "" {
+			args = append(args, fmt.Sprintf("tmux attach -t %s || tmux new -s %s", sessionName, sessionName))
+		} else {
+			args = append(args, fmt.Sprintf("tmux attach -t %s || tmux new -s %s '%s'", sessionName, sessionName, command))
+		}
+		exec.Command("tmux", args...).Run()
+	}
+}
+
+func CheckDependencies() error {
+	deps := []string{"lazygit", "harlequin", "posting"}
+	args := []string{"--version"}
+	os, err := platformInfo()
+	slog.Info("OS is: ", "os", os)
+	if err != nil {
+		slog.Error("error getting os infos: ", "err", err)
+	}
+	for _, dep := range deps {
+		if dep != "posting" {
+			err := runCmd(dep, args)
+			if err != nil {
+				return err
+			}
+		} else {
+			err := runCmd(dep, []string{"--help"})
+			if err != nil {
+				return err
+			}
+
+		}
+
+	}
+	return nil
+}
+
+func runCmd(dep string, args []string) error {
+	slog.Info("checking: ", "dep", dep)
+	cmd := exec.Command(dep, args...)
+	var stdo, stde bytes.Buffer
+	cmd.Stdout = &stdo
+	cmd.Stderr = &stde
+	cmd.Env = append(os.Environ(), "LANGUAGE=en")
+	err := cmd.Run()
+	if err != nil {
+		slog.Error(err.Error())
+		return err
+	}
+	return nil
+}
+
+func platformInfo() (string, error) {
+	_, err := os.Stat("/etc/os-release")
+	if os.IsNotExist(err) {
+		return "", fmt.Errorf("unable to read system information")
+	}
+
+	osRelease, _ := os.ReadFile("/etc/os-release")
+	return parseOsRelease(string(osRelease)), nil
+}
+
+func parseOsRelease(osRelease string) string {
+	var result string
+
+	lines := strings.Split(osRelease, "\n")
+
+	for _, line := range lines {
+		splitLine := strings.SplitN(line, "=", 2)
+		if len(splitLine) != 2 {
+			continue
+		}
+		switch splitLine[0] {
+		case "ID":
+		case "NAME":
+			result = strings.Trim(splitLine[1], "\"")
+		case "VERSION_ID":
+		}
+	}
+	return result
+}